import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;

import static java.lang.System.currentTimeMillis;
import static java.lang.System.out;

/**
 * Created by Administrator on 2017/9/28.
 */
@WebServlet(name = "Servlettwo",urlPatterns = "/Servlettwo")
public class Servlettwo extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
          response.setContentType("text/html;charset=utf-8");
        PrintWriter out=response.getWriter();
       Cookie[] cookies=request.getCookies();
       String lasttime=null;
       for (int i=0;cookies!=null && i<cookies.length;i++){
           String name=cookies[i].getName();
           if("lastAccessTime".equals(name)){
               lasttime=cookies[i].getValue();
               break;
           }

       }
       if(lasttime==null){
           out.write("第一次");
       }else {
           out.write("sc"+lasttime);
       }
       String cutime=new SimpleDateFormat("yyyy-MM-dd#HH:mm:ss").format(new Date());
       Cookie cookie=new Cookie("lastAccessTime",cutime);
       response.addCookie(cookie);


    }
}
